6450217 has 2 divisors, whose sum is σ = 6450218. Its totient is φ = 6450216.

The previous prime is 6450211. The next prime is 6450221. The reversal of 6450217 is 7120546.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4227136 + 2223081 = 2056^2 + 1491^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6450217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6450191 and 6450200.

It is not a weakly prime, because it can be changed into another prime (6450211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3225108 + 3225109.

It is an arithmetic number, because the mean of its divisors is an integer number (3225109).

Almost surely, 2^6450217 is an apocalyptic number.

It is an amenable number.

6450217 is a deficient number, since it is larger than the sum of its proper divisors (1).

6450217 is an equidigital number, since it uses as much as digits as its factorization.

6450217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 6450217 is about 2539.7277413140. The cubic root of 6450217 is about 186.1478860095.

The spelling of 6450217 in words is "six million, four hundred fifty thousand, two hundred seventeen".